20625852

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1213}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 52347680

約数和(自身を除く): 31721828

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 156, 218, 327, 436, 654, 1213, 1308, 1417, 2426, 2834, 3639, 4251, 4852, 5668, 7278, 8502, 14556, 15769, 17004, 31538, 47307, 63076, 94614, 132217, 189228, 264434, 396651, 528868, 793302, 1586604, 1718821, 3437642, 5156463, 6875284, 10312926, 20625852]

約数ペア:

[(1, 20625852), (2, 10312926), (3, 6875284), (4, 5156463), (6, 3437642), (12, 1718821), (13, 1586604), (26, 793302), (39, 528868), (52, 396651), (78, 264434), (109, 189228), (156, 132217), (218, 94614), (327, 63076), (436, 47307), (654, 31538), (1213, 17004), (1308, 15769), (1417, 14556), (2426, 8502), (2834, 7278), (3639, 5668), (4251, 4852)]